diff mbox

[2/9,v3] mmc: tmio: clear error IRQ status

Message ID 878umdtgu0.wl%kuninori.morimoto.gx@gmail.com (mailing list archive)
State Awaiting Upstream
Headers show

Commit Message

Kuninori Morimoto Aug. 25, 2014, 2:59 a.m. UTC 
From: Shinobu Uehara <shinobu.uehara.xc@renesas.com>

Next card access will be always
error if it didn't clear error status

Tested-by: Nguyen Xuan Nui <nx-nui@jinso.co.jp>
Tested-by: Hiep Cao Minh <cm-hiep@jinso.co.jp>
Signed-off-by: Shinobu Uehara <shinobu.uehara.xc@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
v2 -> v3

 - no change

 drivers/mmc/host/tmio_mmc_pio.c |    3 +++
 1 file changed, 3 insertions(+)
diff mbox

Patch

diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index faf0924..c3b1b4e 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -557,6 +557,9 @@  static void tmio_mmc_card_irq_status(struct tmio_mmc_host *host,
 
 	pr_debug_status(*status);
 	pr_debug_status(*ireg);
+
+	/* Clear the status except the interrupt status */
+	sd_ctrl_write32(host, CTL_STATUS, TMIO_MASK_IRQ);
 }
 
 static bool __tmio_mmc_card_detect_irq(struct tmio_mmc_host *host,